Dyshidrotic Eczema

Images of Dermatitis, Dyshidrotic

Overview

Dyshidrotic eczema (dyshidrotic dermatitis) is an itchy rash that appears as small fluid-filled blisters on the hands and feet. It is not known what causes dyshidrotic eczema. Sweating does not seem to cause the condition, although the term "dyshidrotic" refers to abnormal sweating. The lesions of dyshidrotic dermatitis are extremely itchy, and the condition often comes and goes (episodic), with episodes being more common in warm weather.

Who's at risk?

Dyshidrotic dermatitis is rare in younger children. When children do get the condition, it usually occurs after the age of 10.

Signs and Symptoms

The most common location of dyshidrotic eczema is on the hands, and it is less commonly seen on the feet.

Small, tense, clear, fluid-filled blisters appear on the surfaces of both palms and both soles (bilateral surfaces) and on the sides of the fingers and toes. These blisters can appear "deep-seated" (tapioca-like) due to the thickness of the skin on the palms. In severe episodes, lesions can joint together (become confluent) and look like large blisters. If redness is present, it is mild.

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